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E23.0 — Hypopituitarism
E23.0
What this code means
Hypopituitarism is underactivity of the pituitary gland, reducing several hormones that control other glands.
Also called: hypopituitarism.
When this code is used
Used for hypopituitarism.
Where it sits in ICD-10-CM
Code E23.0 belongs to Chapter 4: Endocrine, nutritional and metabolic diseases, which covers codes E00–E89 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Frequently asked questions
What is ICD-10-CM code E23.0?
E23.0 is the ICD-10-CM diagnosis code for “Hypopituitarism”. Hypopituitarism is underactivity of the pituitary gland, reducing several hormones that control other glands.
When is code E23.0 used?
Used for hypopituitarism. It belongs to Chapter 4 of ICD-10-CM (Endocrine, nutritional and metabolic diseases).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.